Phanurak , Wassana, Rotjana Pitakthanyaporn, and Ronachai Changsri. “Genetic Variation in Upland Rice Dawk Pa-yawm Variety for Good Root Traits and Photoperiod Insensitivity”. Burapha Science Journal 28, no. 2 May-August (March 15, 2026): 809–827. accessed September 23, 2026. https://li05.tci-thaijo.org/index.php/buuscij/article/view/1149.